Answer: Total purchase price is $559.77.
Step-by-step explanation:
Since we have given that
Cost of each bush = $19.27
Cost of six bushes is given by

Cost of a porch swing = $88.22
Cost of a gas grill = $321.77
Total cost would be

Rate of state tax = 4.5%
Rate of city tax = 2%
Total rate of taxes = 4.5+2 = 6.5%
So, Amount of tax is given by

so, Total purchase price would be

Hence, total purchase price is $559.77.